Hi;
I noticed that rules were not behaving properly. I created a test case,
and it looks like the sequence is getting double-incrimented. Is this
the way this is supposed to work?
I know triggers would be better for something like this but I find these
results... surprising....
Version is 8.1.4
postgres=# create table test1 (id serial, test text);
NOTICE: CREATE TABLE will create implicit sequence "test1_id_seq" for
serial column "test1.id"
CREATE TABLE
postgres=# create table test2 (id int);
CREATE TABLE
postgres=# create rule insert as on insert to test1 do also insert into
test2 (id) values (new.id);
CREATE RULE
postgres=# insert into test1 (test) values (1);
INSERT 0 1
postgres=# insert into test1 (test) values (1);
INSERT 0 1
postgres=# insert into test1 (test) values (1);
INSERT 0 1
postgres=# select * from test1;
id | test
----+------
1 | 1
3 | 1
5 | 1
(3 rows)
postgres=# select * from test2;
id
----
2
4
6
(3 rows)
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